You can now upgrade your AT&T LG G2 D800 to Android 4.4.4 KitKat. However, it won’t be possible with stock firmware but with the help of custom ROM. The custom ROM we talking about is LiquidSmooth Milestone v3.2. Team Liquid recently rolled out LiquidSmooth v3.2 milestone build for AT&T LG G2 D800. The latest nightly is based on Android 4.4.4 KitKat. You will surely like LiquidSmooth v3.2 milestone build, as it comes with so many features that your stock firmware not offering. Some key LiquidSmooth v3.2 features are dynamic Color Changer, custom animation controls, Privacy Guard, custom animation controls and many more. The bloatware free and battery savvy LiquidSmooth v3.2 is a good choice. Its easy to install this LiquidSmooth v3.2 on your AT&T LG G2 D800. Just install a custom recovery such as CWM recovery or TWRP recovery and then follow below guide.

LiquidSmooth ROM Feature List:

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Slims DPI on the fly

Custom animation controls

TRDS 3.0 (Liquid Blackout in settings)

Active Display

Slims QuickSettings

Halo (Renamed to bubble in settings)

Ram Bar

T-Mobile Theme Engine

Privacy Guard

Built in SuperUser

Working wifi Tethering

Cell Broadcasts

Slims Configurable Power Menu

Slims Configurable Nav Bar

Gamma Configuration support

Custom animation controls (Listview)

LockScreen Notifications

Offset top of Lockscreen Notifications

Privacy Modes for Lockscreen Notifications

Stylus Gestures

Incoming calls and messages blacklist

Configurable Lock Handle icon

Battery around unlock ring

See through lockscreen

Blur’ed lockscreen

Omni’s Performance Control (Lots of features)

Customizable Battery icon

Notification Count in status bar

GlowPad Torch

Custom Carrier Label

Hide network label (Hides carrier and wifi labels)

Notification drawer style

Notification drawer Shortcuts

Hardware Button configuration

Dark and blue default Wallpapers

Custom Quicksettings Tile

Integrated C-Lock

Flip to end call/silence

Add Long-Click to Preference Tile

Configurable Vibration Duration

Alternative default app picker

Vibration multiplier control

Stock Messaging and email icon is blue

Customizable clear all position

Warning!

This tutorial is only for AT&T LG G2 D800. Don’t try this guide on any other Android device. Also, we (PrimeHowTo) are not responsible for any damage caused due to the instruction given in this page. Try this at your own risk. However, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.

Pre Requisites:

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1. It’s advisable to backup your data prior flashing. I recommend app Helium for this purpose, however you can use any other preferred backup app. [General Guide]

2. Make sure your device have enough battery power (at least 50% battery power) to avoid any accidental brick. You can install an app like Battery Notifier BT Free on your Android device to check it easily.

3. You must have USB Driver Installed for AT&T LG G2 D800 in your PC. If you manage to access your phone data after connecting to your computer then you already have USB driver installed. [Download Driver Manually]

4. Make sure USB Debugging is enabled otherwise it’s won’t be possible to transfer file between PC and AT&T LG G2 D800. By default its enabled, so you don’t have to worry. [General Guide]

Now, boot into recovery mode. To do so, press and hold Volume down & Power, when the LG logo appears release and press them again, then press the Power button three times! In recovery use Volume Keys to navigate between option and Power Key to select an option.

First of all create an image of your existing OS by performing Nandroid backup of your existing ROM which you can restore later if this new ROM don’t perform the way you want or if there any glitch. To do so, select Backup and Restore, then on the next screen, select Backup again. Go back to main recovery menu after backup is complete.

Select install zip from sdcard, then select choose zip from sdcard. Now, locate the LiquidSmooth v3.2 Zip file that you copied earlier in Step 1 and select it by pressing Power button. Confirm installation by selecting Yes – Install _____.zip on the next screen. The ROM installation will begin.

Once the ROM installation process end, repeat the Step 6 but choose the Liquid_gapps.4.4.4.build.8.1.zip file instead of ROM zip to install the Google apps package.

When installation is completed, perform the Step 4 one more time and then go back to the main recovery menu and select reboot system now to reboot your AT&T LG G2 D800and boot into Android 4.4.4 KitKat ROM LiquidSmooth v3.2.

Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select backup and restore then restore your previous ROM by selecting it from the list.

Tutorial For TWRP Recovery Users:

Transfer downloaded file to your Android device by connecting to PC. Make sure you copied all files on SD Card (avoid coping within folder). Important: Don’t extract any files.

Perform a Factory Reset (this will delete all apps and their settings and game progress). To do this, Tap on Wipe, then at the bottom of the screen do a Swipe on the ‘Swipe to factory reset‘ option.

Now add zip file for flashing. to do so, tap on Install, then browse to the location where you saved the files and tap on the LiquidSmooth v3.2 Zip file. Then tap on Add More Zips, and add Liquid_gapps.4.4.4.build.8.1.zip. Now at the bottom of the screen, do a swipe on the Swipe to confirm flash option to begin flashing.

When installation is completed, go back to the main recovery menu and tap on Reboot and then, tap on System to reboot your AT&T LG G2 D800and boot into Android 4.4.4 KitKat ROM LiquidSmooth v3.2.

Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select Backup then through Restore option, restore your previous ROM by selecting it from the list.

That’s it! You just learned how to update your AT&T LG G2 D800 to Android 4.4.4 KitKat custom firmware using LiquidSmooth v3.2. Explore the latest Android 4.4.4 KitKat based LiquidSmooth v3.2 ROM. [Note: If you facing problem to run root only app then enable developer settings first (tap the build number 8 times under about device), then enable root under Developer Settings]